The top after-market Nasdaq gainers Tuesday were Facebook Inc, RF Micro Devices Inc, PLX Technology Inc, Twin Disc Inc and Idenix Pharmaceuticals Inc.

The top after-market Nasdaq losers were Netflix Inc, Robot Corporation, Buffalo Wild Wings and XOMA Corporation.


Facebook Inc (FB) shares climbed 12.87 percent to $22.01 in after-hours trading Tuesday. Facebook Tuesday reported the third quarter adjusted net income of $0.12 per share against the consensus estimate of $0.11 EPS.  The shares gained as the company released some positive data which showed 14 percent of its advertising revenue came from ads in mobile devices.

Shares of RF Micro Devices Inc (RFMD) rose 11.96 percent in the post-market session to close at $4.40. The shares gained after the company said it anticipated revenue of approximately $245 million and Non-GAAP EPS Of approximately $0.06 in the December 2012 quarter against the analysts’ expectation of $0.04 EPS on revenue of $217.75 million.  The company reported loss for the second quarter but its revenues and the non-gap EPS beat consensus estimate.

PLX Technology Inc (PLXT) shares advanced 11.76 percent to $4.75 in post-market trading. The company shares have a 52-week trading average of $2.52 -$6.70 and a market capitalization of 190.85 million.

Twin Disc Inc (TWIN) shares gained 9.19 percent and reached $ 15.45 in after-hours trading. The company shares lost 8.41 percent in the regular trading Tuesday after it reported $0.11 earnings per share (EPS) for the quarter, missing the consensus estimate of $0.29 by $0.18.   

Idenix Pharmaceuticals Inc (IDIX) shares surged 6.54 percent to $4.07 in after-hours trading Tuesday.  The company stock dropped over 6 percent in the regular trading Tuesday.


Netflix Inc (NFLX) shares slumped 16.31 percent to $ 57.09 in the post-market session Tuesday. The company reported an 88 percent decline in the third-quarter net income and said it might report a loss for its fourth quarter because of its initial launch investment in the Nordics.  

IRobot Corporation (IRBT) shares plunged 14.62 percent to $19.33 in the post-market session. The company’s shares dropped after it provided guidance below the market expectations for the financial year. The company also slashed its full-year 2012 forecast and said it expected to report loss.

Buffalo Wild Wings (BWLD) shares lost 11.33 percent in after-hours trading to reach $74.00. The company’s third-quarter profit fell to $10.7 million or 57 cents per share from $11.3 million or 61 cents per share a year earlier versus the consensus estimate of earnings of 60 cents per share on revenue of $253.9 million.  

XOMA Corporation (XOMA) shares dropped 8.07 percent to $2.96 in after-hours trading.  The shares dropped after the company announced Tuesday that it was offering to sell, subject to market and other conditions, shares of its common stock pursuant to an effective shelf registration statement in an underwritten public offering.